23142435804 has 60 divisors (see below), whose sum is σ = 60593824368. Its totient is φ = 7702041600.

The previous prime is 23142435791. The next prime is 23142435817. The reversal of 23142435804 is 40853424132.

23142435804 is a `hidden beast` number, since 2 + 3 + 142 + 435 + 80 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (23142435791) and next prime (23142435817).

It is a super-2 number, since 2×23142435804² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151969 + ... + 263399.

Almost surely, 2^23142435804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23142435804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30296912184).

23142435804 is an abundant number, since it is smaller than the sum of its proper divisors (37451388564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142435804 is a wasteful number, since it uses less digits than its factorization.

23142435804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112088 (or 112077 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 23142435804 its reverse (40853424132), we get a palindrome (63995859936).

The spelling of 23142435804 in words is "twenty-three billion, one hundred forty-two million, four hundred thirty-five thousand, eight hundred four".